The Grasbosweg is situated in Flemish Brabant
.
Starting from Diest,
the Grasbosweg ascent is 0.47 km long. Over this distance, you climb 38 heightmeters.
The average percentage thus is 8 %.
The maximum slope is 10 %.

This one actually is a classic for every rider in the area Limburg/Kempen/Brabant. Its known for its famous riders who live on the hill like Sergei Ivanov and Mario Aerts. Many other riders see it as ideal training ground. Also for starters this climb can be a good test to see what theyre able of.
The climb itself is not that special though it has a beautiful curve halfway. When you reach the little chapel with the bench the hard part is over but the climb goes on for another 100 metres or so.